code: def testPickleOpSharding(self):
      op = xc.OpSharding()
      op.type = xc.OpSharding.Type.OTHER
      op.tile_assignment_dimensions = [4, 2]
      op.tile_assignment_devices = [0, 1, 2, 3, 4, 5, 6, 7]
      self.assertTrue(
          xc.HloSharding.from_proto(pickle.loads(pickle.dumps(op))),
          xc.HloSharding.from_proto(op),
      )
  
imports: import pickle
  import unittest
  from absl.testing import absltest
  from absl.testing import parameterized
  import jax
  from jax import numpy
  from jax import config
  from jax.interpreters import pxla
  from jax._src import test_util
  from jax._src.lib import xla_client
  import numpy
label_desc: Use image node_id 8 for calling the PickleTest obj's underlying member method code with example usage: obj.testPickleOpSharding() without return types